Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
138579751Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5544208662424871537032168.92016-09-05 15:58:37
History
DateUserTypeResult
2025-03-19James HeinrichF
Factor: 554420866242487153703 / TF: 68-70
2016-09-05d3zorgF
Factor: 554420866242487153703 / TF: 68-69
2016-03-02dbaughNF
no factor from 2^67 to 2^68
2015-02-10el groccoNF
no factor from 2^66 to 2^67
2012-11-18ALSNF
no factor from 2^65 to 2^66
2010-12-03PiepenNF
no factor from 2^64 to 2^65
2010-06-12sasaki3NF
no factor from 2^63 to 2^64